Hard drive, Remove the, If a mini pci card is not already installed, go to – Dell Latitude D610 User Manual
Page 78: Step 4

4.
Align the Mini PCI card with the connector at a 45-degree angle, and press the Mini PCI card into the connector until you feel a click.
5.
Connect the antenna cables to the Mini PCI card.
6.
Replace the cover and screws.
Hard Drive
1 Mini PCI card
2 metal securing tabs (2)
1 Mini PCI card
2 antenna wires (2)
NOTICE:
To avoid damaging the Mini PCI card, never place cables on top of or under the card.
CAUTION:
If you remove the hard drive from the computer when the drive is hot, do not touch the metal housing of the hard drive.
CAUTION:
Before working inside your computer, follow the safety instructions in the Product Information Guide.
NOTICE:
To prevent data loss,
before removing the hard drive. Do not remove the hard drive while the computer is on, in
standby mode, or in hibernate mode.